ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Live editor for CSS and LESS - Magic CSS
Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...
The tool to overlap your website layout with a grid.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
SelectorsHub helps to generate, write and verify the XPath & cssSelector.
Quickly view the HTTP headers of the current tab.
The simplest extension for working with web fonts
OctoLinker – Links together, what belongs together.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Rabbit URL Opener
Rabbit URL Opener - Bulk URL's Opener Extension just lets you open multiple URLs at once
CSS Shapes Editor
Interactive editor for CSS Shapes.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Automatically checks each page for AMP validation.
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
md5 hash generator
MD5 hash generator (offline mode)
Automatically login to Basic Authentication using data based on URL regexp.
Nextsense PDF Signing Component
Signing PDF document.
Fast balance viewer for your affiliate networks and partner programs
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
This extension shows information about HTML elements on a web page when you hover over them.
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!